esp32/modesp32: Make wake_on_ext1 available only on SoCs supporting it.

The `esp32.wake_on_ext1()` method should only be available on boards that
have SOC_PM_SUPPORT_EXT1_WAKEUP=y.  And update docs to reflect this.

Signed-off-by: Meir Armon <[email protected]>

Author: meirarmon

docs/library/esp32.rst

@@ -41,6 +41,8 @@ Functions
     or a tuple/list of valid Pin objects.  *level* should be ``esp32.WAKEUP_ALL_LOW``
     or ``esp32.WAKEUP_ANY_HIGH``.
 
+    .. note:: This is only available for boards that have ext1 support.
+
 .. function:: gpio_deep_sleep_hold(enable)
 
     Configure whether non-RTC GPIO pin configuration is retained during

ports/esp32/machine_rtc.c

@@ -82,7 +82,9 @@ _USER_MEM_ATTR uint8_t rtc_user_mem_data[MICROPY_HW_RTC_USER_MEM_MAX];
 static const machine_rtc_obj_t machine_rtc_obj = {{&machine_rtc_type}};
 
 machine_rtc_config_t machine_rtc_config = {
+    #if SOC_PM_SUPPORT_EXT1_WAKEUP
     .ext1_pins = 0,
+    #endif
     #if SOC_PM_SUPPORT_EXT0_WAKEUP
     .ext0_pin = -1
     #endif

ports/esp32/machine_rtc.h

@@ -31,7 +31,9 @@
 #include "modmachine.h"
 
 typedef struct {
+    #if SOC_PM_SUPPORT_EXT1_WAKEUP
     uint64_t ext1_pins; // set bit == pin#
+    #endif
     #if SOC_PM_SUPPORT_EXT0_WAKEUP
     int8_t ext0_pin;   // just the pin#, -1 == None
     #endif
@@ -45,7 +47,9 @@ typedef struct {
     bool ext0_level : 1;
     wake_type_t ext0_wake_types;
     #endif
+    #if SOC_PM_SUPPORT_EXT1_WAKEUP
     bool ext1_level : 1;
+    #endif
 } machine_rtc_config_t;
 
 extern machine_rtc_config_t machine_rtc_config;

ports/esp32/modesp32.c

@@ -97,6 +97,7 @@ static mp_obj_t esp32_wake_on_ext0(size_t n_args, const mp_obj_t *pos_args, mp_m
 static MP_DEFINE_CONST_FUN_OBJ_KW(esp32_wake_on_ext0_obj, 0, esp32_wake_on_ext0);
 #endif
 
+#if SOC_PM_SUPPORT_EXT1_WAKEUP
 static mp_obj_t esp32_wake_on_ext1(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
     enum {ARG_pins, ARG_level};
     const mp_arg_t allowed_args[] = {
@@ -132,6 +133,7 @@ static mp_obj_t esp32_wake_on_ext1(size_t n_args, const mp_obj_t *pos_args, mp_m
     return mp_const_none;
 }
 static MP_DEFINE_CONST_FUN_OBJ_KW(esp32_wake_on_ext1_obj, 0, esp32_wake_on_ext1);
+#endif
 
 #if SOC_ULP_SUPPORTED
 static mp_obj_t esp32_wake_on_ulp(const mp_obj_t wake) {
@@ -272,7 +274,9 @@ static const mp_rom_map_elem_t esp32_module_globals_table[] = {
     #if SOC_PM_SUPPORT_EXT0_WAKEUP
     { MP_ROM_QSTR(MP_QSTR_wake_on_ext0), MP_ROM_PTR(&esp32_wake_on_ext0_obj) },
     #endif
+    #if SOC_PM_SUPPORT_EXT1_WAKEUP
     { MP_ROM_QSTR(MP_QSTR_wake_on_ext1), MP_ROM_PTR(&esp32_wake_on_ext1_obj) },
+    #endif
     #if SOC_ULP_SUPPORTED
     { MP_ROM_QSTR(MP_QSTR_wake_on_ulp), MP_ROM_PTR(&esp32_wake_on_ulp_obj) },
     #endif